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  <span class="token punctuation">{</span>
    title<span class="token punctuation">:</span><span class="token string">'省市区'</span><span class="token punctuation">,</span>
    key<span class="token punctuation">:</span><span class="token string">'pac'</span><span class="token punctuation">,</span>
    type<span class="token punctuation">:</span><span class="token string">'area-selector'</span><span class="token punctuation">,</span>
    <span class="token comment">// 后端获取到数据后，将调用valueBuilder构建pac的value为area-selector组件所需要的格式</span>
    <span class="token function">valueBuilder</span><span class="token punctuation">(</span><span class="token parameter">row<span class="token punctuation">,</span> col</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
      row<span class="token punctuation">.</span>pac<span class="token operator">=</span><span class="token punctuation">[</span>row<span class="token punctuation">.</span>province<span class="token punctuation">,</span>row<span class="token punctuation">.</span>area<span class="token punctuation">,</span>row<span class="token punctuation">.</span>city<span class="token punctuation">]</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token comment">// 点击确认对话框后，将调用valueResolve解析组件的value值为后端所需要的省市区字段</span>
    <span class="token function">valueResolve</span><span class="token punctuation">(</span><span class="token parameter">form<span class="token punctuation">,</span> col</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
      <span class="token keyword">if</span><span class="token punctuation">(</span>form<span class="token punctuation">.</span>pac <span class="token operator">&amp;&amp;</span> form<span class="token punctuation">.</span>pac<span class="token punctuation">.</span>length<span class="token operator">&gt;=</span><span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
        form<span class="token punctuation">.</span>province <span class="token operator">=</span> form<span class="token punctuation">.</span>pac<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span>
        form<span class="token punctuation">.</span>area<span class="token operator">=</span>form<span class="token punctuation">.</span>pac<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span>
        form<span class="token punctuation">.</span>city<span class="token operator">=</span>form<span class="token punctuation">.</span>pac<span class="token punctuation">[</span><span class="token number">2</span><span class="token punctuation">]</span>
      <span class="token punctuation">}</span>
      <span class="token keyword">delete</span> form<span class="token punctuation">.</span>pac
    <span class="token punctuation">}</span> 
  <span class="token punctuation">}</span>
<span class="token punctuation">]</span>
</code></pre></div><h2 id="_2-如何在crud-js中拿到this？"><a href="#_2-如何在crud-js中拿到this？" class="header-anchor">#</a> 2. 如何在crud.js中拿到this？</h2> <p>修改两处地方即可</p> <div class="language-js extra-class"><pre class="language-js"><code><span class="token comment">// crud.js</span>
<span class="token keyword">export</span> <span class="token keyword">const</span> <span class="token function-variable function">crudOptions</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token parameter">vm</span><span class="token punctuation">)</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span> <span class="token comment">//这里改成一个Function</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span>
    columns<span class="token punctuation">:</span> <span class="token punctuation">[</span>
      <span class="token punctuation">{</span>
        key<span class="token punctuation">:</span><span class="token string">'xxx'</span><span class="token punctuation">,</span>
        <span class="token function">valueBuilder</span><span class="token punctuation">(</span><span class="token parameter">row<span class="token punctuation">,</span> col</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
          <span class="token comment">// 比如这里就可以用vm.$set等方法啦</span>
        <span class="token punctuation">}</span> 
      <span class="token punctuation">}</span> 
    <span class="token punctuation">]</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre></div><div class="language-js extra-class"><pre class="language-js"><code><span class="token comment">// index.vue</span>
<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span>
  <span class="token operator">...</span>
  methods<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    <span class="token function">getCrudOptions</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
      <span class="token keyword">return</span> <span class="token function">crudOptions</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">)</span> <span class="token comment">//这里调用这个Function，把this传进去</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre></div><p>示例： http://qiniu.veryreader.com/D2CrudPlusExample/index.html#/demo/form/select</p> <h2 id="_3-怎么动态获取表单组件的配置"><a href="#_3-怎么动态获取表单组件的配置" class="header-anchor">#</a> 3. 怎么动态获取表单组件的配置</h2> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">let</span> template <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">getEditFormTemplate</span><span class="token punctuation">(</span>columnKey<span class="token punctuation">)</span> <span class="token comment">//获取组件配置</span>
template<span class="token punctuation">.</span>component<span class="token punctuation">.</span>props<span class="token punctuation">.</span>options <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span> <span class="token comment">//动态将选项置空</span>
</code></pre></div><p>示例： http://qiniu.veryreader.com/D2CrudPlusExample/index.html#/demo/form/addi</p> <h2 id="_4-怎么获取某个字段的数据字典的选项列表？"><a href="#_4-怎么获取某个字段的数据字典的选项列表？" class="header-anchor">#</a> 4. 怎么获取某个字段的数据字典的选项列表？</h2> <div class="language-js extra-class"><pre class="language-js"><code><span class="token comment">//获取form表单组件中的字典选项列表</span>
<span class="token keyword">let</span> columnKey <span class="token operator">=</span> <span class="token string">'你的字段key'</span>
<span class="token keyword">let</span> dictData <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">getEditFormTemplate</span><span class="token punctuation">(</span>columnKey<span class="token punctuation">)</span><span class="token punctuation">.</span>component<span class="token punctuation">.</span>props<span class="token punctuation">.</span>dict<span class="token punctuation">.</span>data<span class="token punctuation">;</span>

<span class="token comment">//通过字典value获取label</span>
<span class="token keyword">let</span> value <span class="token operator">=</span> <span class="token string">'某个字典项的value'</span>
<span class="token keyword">let</span> label <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">getEditFormTemplate</span><span class="token punctuation">(</span>columnKey<span class="token punctuation">)</span><span class="token punctuation">.</span>component<span class="token punctuation">.</span>props<span class="token punctuation">.</span>dict<span class="token punctuation">.</span>dataMap<span class="token punctuation">[</span>value<span class="token punctuation">]</span>

<span class="token comment">//获取行展示组件中的字典选项列表</span>
<span class="token keyword">let</span> columnKey <span class="token operator">=</span> <span class="token string">'你的字段key'</span>
<span class="token keyword">let</span> dictData <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span>crud<span class="token punctuation">.</span>columnsMap<span class="token punctuation">[</span>columnKey<span class="token punctuation">]</span><span class="token punctuation">.</span>component<span class="token punctuation">.</span>props<span class="token punctuation">.</span>dict<span class="token punctuation">.</span>data<span class="token punctuation">;</span>

<span class="token comment">// 注意：新版本已不支持 this.crud.columnsMap[columnKey].dict 方式获取</span>
<span class="token comment">// 请使用 this.crud.columnsMap[columnKey].component.props.dict</span>
</code></pre></div><p>示例： http://qiniu.veryreader.com/D2CrudPlusExample/index.html#/demo/form/select</p> <h2 id="_5-怎么获取表单各个字段的值？"><a href="#_5-怎么获取表单各个字段的值？" class="header-anchor">#</a> 5. 怎么获取表单各个字段的值？</h2> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">let</span> value <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">getEditForm</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span>columnKey<span class="token punctuation">;</span>
</code></pre></div><h2 id="_6-操作列的按钮怎么隐藏？"><a href="#_6-操作列的按钮怎么隐藏？" class="header-anchor">#</a> 6. 操作列的按钮怎么隐藏？</h2> <p>隐藏按钮</p> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">export</span> <span class="token keyword">const</span> crudOptions <span class="token operator">=</span> <span class="token punctuation">{</span>
  rowHandle<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    remove<span class="token punctuation">:</span> <span class="token boolean">false</span><span class="token punctuation">,</span>
    edit<span class="token punctuation">:</span> <span class="token punctuation">{</span>
      <span class="token function">show</span><span class="token punctuation">(</span><span class="token parameter">index<span class="token punctuation">,</span>row</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
        <span class="token keyword">return</span> <span class="token boolean">false</span>
      <span class="token punctuation">}</span>   
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre></div><p>禁用按钮</p> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">export</span> <span class="token keyword">const</span> crudOptions <span class="token operator">=</span> <span class="token punctuation">{</span>
  rowHandle<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    remove<span class="token punctuation">:</span> <span class="token punctuation">{</span>
      disabled<span class="token punctuation">:</span> <span class="token boolean">true</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
    edit<span class="token punctuation">:</span> <span class="token punctuation">{</span>
      <span class="token function">disabled</span><span class="token punctuation">(</span><span class="token parameter">index<span class="token punctuation">,</span>row</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
        <span class="token keyword">return</span> <span class="token boolean">true</span>
      <span class="token punctuation">}</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre></div><p>隐藏操作列</p> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">export</span> <span class="token keyword">const</span> crudOptions <span class="token operator">=</span> <span class="token punctuation">{</span>
  rowHandle<span class="token punctuation">:</span> <span class="token boolean">false</span>
<span class="token punctuation">}</span>
</code></pre></div><h2 id="_7-怎么手动打开编辑框？"><a href="#_7-怎么手动打开编辑框？" class="header-anchor">#</a> 7. 怎么手动打开编辑框？</h2> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">getD2Crud</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">showDialog</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
    mode<span class="token punctuation">:</span> <span class="token string">'edit'</span><span class="token punctuation">,</span>
    rowIndex<span class="token punctuation">:</span>xxx
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre></div><p>更多<a href="https://gitee.com/greper/d2-crud-plus/blob/master/packages/d2-crud-x/src/mixin/exposeMethods.js" target="_blank" rel="noopener noreferrer">d2-crud-x外部暴露的方法<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></p> <h2 id="_8-怎么将初始化（或加载数据）从created推迟到mounted？"><a href="#_8-怎么将初始化（或加载数据）从created推迟到mounted？" class="header-anchor">#</a> 8. 怎么将初始化（或加载数据）从created推迟到mounted？</h2> <p>默认<code>d2CrudPlus</code>的初始化是在<code>created</code>里面开始的。<br>
但有时候某些参数需要从<code>mounted</code>里面才能获取到<br>
这时候就需要把初始化过程后移</p> <p><code>d2CrudPlus.crud</code> mixin如下</p> <div class="language-js extra-class"><pre class="language-js"><code>curdMixin <span class="token operator">=</span><span class="token punctuation">{</span>
  <span class="token function">created</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">_crudOnCreated</span><span class="token punctuation">(</span><span class="token punctuation">)</span>  
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  methods<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    <span class="token function">_crudOnCreated</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token comment">//created的时候执行</span>
      <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">_crudStart</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token function">_crudStart</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> <span class="token comment">//crud的初始化方法</span>
      <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">initColumns</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
      <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">doLoad</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre></div><p>你可以在你的页面中按如下方式改写即可将初始化推迟到<code>mounted</code></p> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span>
  <span class="token function">mounted</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span> <span class="token comment">//mounted里面调用start</span>
    <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">_crudStart</span> <span class="token punctuation">(</span><span class="token punctuation">)</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  methods<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    <span class="token function">_crudOnCreated</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
      <span class="token comment">//覆盖为空方法</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre></div></div> <footer class="page-edit"><div class="edit-link"><a href="https://github.com/greper/d2-crud-plus/edit/master//docs/guide/questions.md" target="_blank" rel="noopener noreferrer">在 GitHub 上编辑此页</a> <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></div> <div class="last-updated"><span class="prefix">上次更新:</span> <span class="time">2020-8-6 3:10:10 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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